ST92T163R4T1 STMicroelectronics, ST92T163R4T1 Datasheet - Page 151

• Manufacturer Part Number: ST92T163R4T1
• Description: Microcontrollers (MCU) OTP EPROM 20K USB/I2
• Manufacturer: STMicroelectronics

Specifications of ST92T163R4T1

• Data Bus Width: 8 bit, 16 bit
• Program Memory Type: EPROM
• Program Memory Size: 20 KB
• Data Ram Size: 2 KB
• Interface Type: I2C, SCI, USB
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 64
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-64
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

SERIAL COMMUNICATIONS INTERFACE (Cont’d)
8.4.2 Functional Description
The SCI offers four operating modes:
– Asynchronous mode
– Asynchronous mode with synchronous clock
– Serial expansion mode
– Synchronous mode
Figure 72. SCI Functional Schematic
Note: Some pins may not be available on some devices. Refer to the device Pinout Description.
RXclk
AEN (*)
OCKSB (*)
INPEN (*)
OCKPL (*)
The control signals marked with (*) are active only in synchronous mode (SMEN=1)
TXclk / CLKout
LBEN (*)
XTCLK
OCLK
Baud rate
generator
ST92163 - SERIAL COMMUNICATIONS INTERFACE (SCI)
OCLK
XRX
INTCLK
XBRG
Divider by 16
Divider by 16
DCDEN (*)
Polarity
DCD
Asynchronous mode, Asynchronous mode with
synchronous clock and Serial expansion mode
output data with the same serial frame format. The
differences lie in the data sampling clock rates
(1X, 16X) and in the protocol used.
Polarity
RTS
CD
1
0
1
0
CD
AEN (*)
RTSEN (*)
RX buffer
RX shift
register
register
Enveloper
TX buffer
TX shift
register
register
LBEN
INPL (*)
OUTPL (*)
OUTSB (*)
VR02054
AEN
151/224
Sout
Sin